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Three.js and WebGL adapter patterns for HyperFrames. Use when creating deterministic Three.js scenes, WebGL canvas layers, AnimationMixer timelines, camera motion, shader-driven visuals, or canvas renders that respond to HyperFrames hf-seek events.

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# Three.js for HyperFrames

HyperFrames supports Three.js through its `three` runtime adapter. The adapter does not own your scene. It publishes HyperFrames time and dispatches a seek event so your composition can render the exact frame.

## Contract

- Create the scene, camera, renderer, materials, and assets synchronously when possible.
- Render from HyperFrames time, not wall-clock time.
- Listen for the `hf-seek` event and render exactly that time.
- Load models, textures, and HDRIs before render-critical seeking. Do not fetch them at seek time.
- Avoid `requestAnimationFrame` or `renderer.setAnimationLoop` as the source of truth for render-critical motion.

The adapter sets `window.__hfThreeTime` and dispatches `new CustomEvent("hf-seek", { detail: { time } })` on each seek.
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